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1 | <?php |
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2 | use Elastica\Aggregation\Terms; |
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3 | use Elastica\Query; |
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4 | use Elastica\Aggregation\TopHits; |
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5 | use Elastica\Aggregation\Range; |
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6 | use SilverStripe\Elastica\RangedAggregation; |
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7 | |||
8 | |||
9 | class FlickrPhotoTOElasticaSearchHelper implements ElasticaSearchHelperInterface,TestOnly { |
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Coding Style
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10 | |||
11 | 10 | public function __construct() { |
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12 | 10 | $aspectAgg = new RangedAggregation('Aspect', 'AspectRatio'); |
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13 | 10 | $aspectAgg->addRange(0.0000001, 0.3, 'Panoramic'); |
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14 | 10 | $aspectAgg->addRange(0.3, 0.9, 'Horizontal'); |
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15 | 10 | $aspectAgg->addRange(0.9, 1.2, 'Square'); |
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16 | 10 | $aspectAgg->addRange(1.2, 1.79, 'Vertical'); |
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17 | 10 | $aspectAgg->addRange(1.79, 1e7, 'Tallest'); |
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18 | 10 | } |
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19 | |||
20 | private static $titleFieldMapping = array( |
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21 | 'ShutterSpeed' => 'Shutter Speed', |
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22 | 'FocalLength35mm' => 'Focal Length' |
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23 | ); |
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24 | |||
25 | |||
26 | /** |
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27 | * Add a number of facets to the FlickrPhotoTO query |
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28 | * @param \Elastica\Query &$query the existing query object to be augmented. |
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29 | */ |
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30 | 9 | public function augmentQuery(&$query) { |
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31 | //FIXME probably move this back as default behaviour |
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32 | // set the order to be taken at in reverse if query is blank other than aggs |
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33 | 9 | $params = $query->getParams(); |
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0 ignored issues
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$params is not used, you could remove the assignment.
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value';
$higher = false;
if (rand(1, 6) > 3) {
$higher = true;
} else {
$higher = false;
}
Both the ![]() |
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34 | |||
35 | $wildcard = array( |
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0 ignored issues
–
show
$wildcard is not used, you could remove the assignment.
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently. $myVar = 'Value';
$higher = false;
if (rand(1, 6) > 3) {
$higher = true;
} else {
$higher = false;
}
Both the ![]() |
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36 | 9 | 'query_string' => array('query' => '*') |
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37 | 9 | ); |
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38 | |||
39 | 9 | if ($query->OriginalQueryText == '') { |
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40 | 3 | $query->setSort(array('TakenAt'=> 'desc')); |
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41 | 3 | } |
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42 | |||
43 | // add Aperture aggregate |
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44 | 9 | $agg1 = new Terms("Aperture"); |
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45 | 9 | $agg1->setField("Aperture"); |
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46 | 9 | $agg1->setSize(0); |
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47 | 9 | $agg1->setOrder('_term', 'asc'); |
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48 | 9 | $query->addAggregation($agg1); |
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49 | |||
50 | // add shutter speed aggregate |
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51 | 9 | $agg2 = new Terms("ShutterSpeed"); |
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52 | 9 | $agg2->setField("ShutterSpeed"); |
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53 | 9 | $agg2->setSize(0); |
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54 | 9 | $agg2->setOrder('_term', 'asc'); |
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55 | 9 | $query->addAggregation($agg2); |
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56 | |||
57 | // this currently needs to be same as the field name |
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58 | // needs fixed |
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59 | // Add focal length aggregate, may range this |
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60 | 9 | $agg3 = new Terms("FocalLength35mm"); |
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61 | 9 | $agg3->setField("FocalLength35mm"); |
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62 | 9 | $agg3->setSize(0); |
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63 | 9 | $agg3->setOrder('_term', 'asc'); |
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64 | 9 | $query->addAggregation($agg3); |
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65 | |||
66 | // add film speed |
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67 | 9 | $agg4 = new Terms("ISO"); |
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68 | 9 | $agg4->setField("ISO"); |
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69 | 9 | $agg4->setSize(0); |
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70 | 9 | $agg4->setOrder('_term', 'asc'); |
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71 | 9 | $query->addAggregation($agg4); |
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72 | |||
73 | 9 | $aspectRangedAgg = RangedAggregation::getByTitle('Aspect'); |
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74 | 9 | $query->addAggregation($aspectRangedAgg->getRangeAgg()); |
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75 | |||
76 | // remove NearestTo from the request so it does not get used as a term filter |
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77 | 9 | unset(Controller::curr()->request['NearestTo']); |
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78 | 9 | } |
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79 | |||
80 | |||
81 | /** |
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82 | * Update filters, perhaps remaps them, prior to performing a search. |
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83 | * This allows for aggregation values to be updated prior to rendering. |
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84 | * @param array &$filters array of key/value pairs for query filtering |
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85 | */ |
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86 | 9 | public function updateFilters(&$filters) { |
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87 | |||
88 | // shutter speed is stored as decimal to 6 decimal places, then a |
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89 | // vertical bar followed by the displayed speed as a fraction or a |
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90 | // whole number. This puts the decimal back for matching purposes |
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91 | 9 | if (isset($filters['ShutterSpeed'])) { |
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92 | |||
93 | 1 | $sortable = $filters['ShutterSpeed']; |
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94 | |||
95 | 1 | $sortable = explode('/', $sortable); |
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96 | 1 | if (sizeof($sortable) == 1) { |
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97 | 1 | $sortable = trim($sortable[0]); |
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98 | |||
99 | 1 | if ($sortable === '1') { |
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100 | 1 | $sortable = '1.000000|1'; |
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101 | 1 | } |
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102 | |||
103 | 1 | } else if (sizeof($sortable) == 2) { |
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104 | 1 | if ($sortable[0] === '' || $sortable[1] === '') { |
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105 | 1 | $sortable = ''; |
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106 | |||
107 | 1 | } else { |
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108 | 1 | $sortable = floatval($sortable[0])/intval($sortable[1]); |
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109 | 1 | $sortable = round($sortable,6); |
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110 | 1 | $sortable = $sortable . '|' . $filters['ShutterSpeed']; |
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111 | } |
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112 | |||
113 | 1 | } |
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114 | |||
115 | 1 | $filters['ShutterSpeed'] = $sortable; |
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116 | 1 | } |
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117 | 9 | } |
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118 | |||
119 | |||
120 | |||
121 | /** |
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122 | * Manipulate the results, e.g. fixing up values if issues with ordering in Elastica |
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123 | * @param array &$aggs Aggregates from an Elastica search to be tweaked |
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124 | */ |
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125 | 9 | public function updateAggregation(&$aggs) { |
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126 | // the shutter speeds are of the form decimal number | fraction, keep the latter half |
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127 | 9 | $shutterSpeeds = $aggs['ShutterSpeed']['buckets']; |
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128 | 9 | $ctr = 0; |
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129 | 9 | foreach ($shutterSpeeds as $bucket) { |
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130 | 9 | $key = $bucket['key']; |
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131 | 9 | $splits = explode('|', $key); |
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132 | 9 | $shutterSpeeds[$ctr]['key'] = end($splits); |
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133 | 9 | $ctr++; |
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134 | 9 | } |
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135 | 9 | $aggs['ShutterSpeed']['buckets'] = $shutterSpeeds; |
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136 | 9 | } |
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137 | |||
138 | /* |
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139 | In the event of aggregates being used and no query provided, sort by this (<field> => <order>) |
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140 | */ |
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141 | 3 | public function getDefaultSort() { |
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142 | 3 | return array('TakenAt' => 'desc'); |
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143 | } |
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144 | |||
145 | |||
146 | 9 | public function getIndexFieldTitleMapping() { |
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147 | 9 | return self::$titleFieldMapping; |
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148 | } |
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149 | } |
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150 |